Crashes
Chaos Lock has a high chance of disconnecting the player to world select if used when DF is lowhttps://streamable.com/b15dl
additional notes: crashes occurred when cast with 25, 31, (16DF + returning DF)

Extra DF cost to cast skill
The skill consumes DF twice(once when casting and again when it hits the mob) ,this second consumption my be the cause of DC(not confirmed)
Evidencehttps://streamable.com/b6qe2

Steps to reproduce:
1. Use Chaos Lock, can be observed that Skill cost is higher than the 20 DF cost in the description.
2. Lower your DF bar.
3. Cast Chaos Lock when DF is near empty.
4. Crash to world select.
Character name: SoloParty